You work as a Security Analyst for a retail organization. In securing the company’s network, you set up a
firewall and an IDS. However, hackers are able to attack the network. After investigating, you discover that your
IDS is not configured properly and therefore is unable to trigger alarms when needed. What type of alert is the
IDS giving?

A.
False Negative

B.
False Positive

C.
True Negative

D.
True Positive

Explanation:
A false negative error, or in short false negative, is where a test result indicates that a condition failed, while it
actually was successful. I.e. erroneously no effect has been assumed.
https://en.wikipedia.org/wiki/False_positives_and_false_negatives#False_negative_error